Home / 45,733,128.53-68,547,510.97-18,421,945.43

Finding the Fourth Proportional to 45,733,128.53, 68,547,510.97 and 18,421,945.43

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Solution

The fourth proportional to 45,733,128.53, 68,547,510.97 and 18,421,945.43 is: 27,611,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,733,128.53 : 68,547,510.97 = 18,421,945.43 : x
  2. Step 2: Convert to fraction form
    45,733,128.53/68,547,510.97 = 18,421,945.43/x
  3. Step 3: Cross multiply
    45,733,128.53x = 68,547,510.97 × 18,421,945.43
  4. Step 4: Simplify right side
    45,733,128.53x = 1,262,778,506,062,874
  5. Step 5: Solve for x
    x = 1,262,778,506,062,874/45,733,128.53
  6. Step 6: Final answer
    x = 27,611,898.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.